mysql error 1064 - Can't create/write to file '/var/tmp/#sql_2f6_0.MYI -

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for past 3 4 months, have our application live , running, haven't deployed new fixes / changes on live. ever unfortunately, noticed application has stopped running.

following issue observed our logs :

"can't create/write file '/var/tmp/#sql_2f6_0.myi" .

it appreciable if of can extend help.

check services , user mysql giving error. possible of services might down, or user using db not getting authenticated.


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